BE504492A - - Google Patents
Info
- Publication number
- BE504492A BE504492A BE504492DA BE504492A BE 504492 A BE504492 A BE 504492A BE 504492D A BE504492D A BE 504492DA BE 504492 A BE504492 A BE 504492A
- Authority
- BE
- Belgium
- Prior art keywords
- sep
- dye
- solution
- bath
- acrylonitrile
- Prior art date
Links
- NLHHRLWOUZZQLW-UHFFFAOYSA-N acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 39
- 229920001577 copolymer Polymers 0.000 claims description 35
- 238000004043 dyeing Methods 0.000 claims description 35
- 239000004753 textile Substances 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 11
- -1 benzylphenyl Chemical class 0.000 claims description 10
- 238000007792 addition Methods 0.000 claims description 9
- 239000003638 reducing agent Substances 0.000 claims description 9
- 230000002522 swelling Effects 0.000 claims description 9
- 230000002378 acidificating Effects 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 229910001431 copper ion Inorganic materials 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 5
- 125000004429 atoms Chemical group 0.000 claims description 4
- 125000004432 carbon atoms Chemical group C* 0.000 claims description 4
- 125000002091 cationic group Chemical group 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 230000000240 adjuvant Effects 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 125000006267 biphenyl group Chemical group 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 claims 1
- 239000000194 fatty acid Substances 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 250
- 239000000975 dye Substances 0.000 description 88
- 239000004744 fabric Substances 0.000 description 34
- 239000005749 Copper compound Substances 0.000 description 22
- 150000001880 copper compounds Chemical class 0.000 description 22
- 239000000835 fiber Substances 0.000 description 22
- 239000007787 solid Substances 0.000 description 22
- 229920005989 resin Polymers 0.000 description 19
- 239000011347 resin Substances 0.000 description 19
- RGCKGOZRHPZPFP-UHFFFAOYSA-N Alizarin Chemical compound C1=CC=C2C(=O)C3=C(O)C(O)=CC=C3C(=O)C2=C1 RGCKGOZRHPZPFP-UHFFFAOYSA-N 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- BZHJMEDXRYGGRV-UHFFFAOYSA-N vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 11
- YXVFYQXJAXKLAK-UHFFFAOYSA-N biphenyl-4-ol Chemical class C1=CC(O)=CC=C1C1=CC=CC=C1 YXVFYQXJAXKLAK-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- CTQNGGLPUBDAKN-UHFFFAOYSA-N o-xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 10
- 239000008096 xylene Substances 0.000 description 10
- 239000003086 colorant Substances 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- OPQARKPSCNTWTJ-UHFFFAOYSA-L Copper(II) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
- 238000009835 boiling Methods 0.000 description 8
- PJOIPAGEBPZNSD-UHFFFAOYSA-M sodium;4-phenylphenolate Chemical compound [Na+].C1=CC([O-])=CC=C1C1=CC=CC=C1 PJOIPAGEBPZNSD-UHFFFAOYSA-M 0.000 description 8
- 239000000980 acid dye Substances 0.000 description 7
- 229920000191 poly(N-vinyl pyrrolidone) Polymers 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 238000009987 spinning Methods 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 229920000742 Cotton Polymers 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- KGIGUEBEKRSTEW-UHFFFAOYSA-N 2-Vinylpyridine Chemical compound C=CC1=CC=CC=N1 KGIGUEBEKRSTEW-UHFFFAOYSA-N 0.000 description 5
- IKHKJYWPWWBSFZ-UHFFFAOYSA-N 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate;hydron Chemical compound C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S(O)(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 IKHKJYWPWWBSFZ-UHFFFAOYSA-N 0.000 description 5
- 239000004604 Blowing Agent Substances 0.000 description 5
- WDHSSYCZNMQRNF-UHFFFAOYSA-L CTK1A4617 Chemical compound [Zn+2].O=C.[O-]S[O-] WDHSSYCZNMQRNF-UHFFFAOYSA-L 0.000 description 5
- ARUVKPQLZAKDPS-UHFFFAOYSA-L Copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- XTXRWKRVRITETP-UHFFFAOYSA-N vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 5
- 229960000583 Acetic Acid Drugs 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 229940076286 cupric acetate Drugs 0.000 description 4
- 230000001264 neutralization Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- 229920002972 Acrylic fiber Polymers 0.000 description 3
- 229920002301 Cellulose acetate Polymers 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- RFKZUAOAYVHBOY-UHFFFAOYSA-M copper(1+);acetate Chemical compound [Cu+].CC([O-])=O RFKZUAOAYVHBOY-UHFFFAOYSA-M 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 239000000982 direct dye Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- OXBLHERUFWYNTN-UHFFFAOYSA-M Copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 2
- 210000002268 Wool Anatomy 0.000 description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229940045803 cuprous chloride Drugs 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000008121 dextrose Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- LLEMOWNGBBNAJR-UHFFFAOYSA-N 2-Phenylphenol Chemical compound OC1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-N 0.000 description 1
- LLEMOWNGBBNAJR-UHFFFAOYSA-M 2-phenylphenolate Chemical class [O-]C1=CC=CC=C1C1=CC=CC=C1 LLEMOWNGBBNAJR-UHFFFAOYSA-M 0.000 description 1
- HJSPWKGEPDZNLK-UHFFFAOYSA-N 4-benzylphenol Chemical compound C1=CC(O)=CC=C1CC1=CC=CC=C1 HJSPWKGEPDZNLK-UHFFFAOYSA-N 0.000 description 1
- DOBIZWYVJFIYOV-UHFFFAOYSA-N 7-hydroxynaphthalene-1,3-disulfonic acid Chemical compound C1=C(S(O)(=O)=O)C=C(S(O)(=O)=O)C2=CC(O)=CC=C21 DOBIZWYVJFIYOV-UHFFFAOYSA-N 0.000 description 1
- RZVHIXYEVGDQDX-UHFFFAOYSA-N Anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M CHEMBL593252 Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 description 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N Cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 1
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N Glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 1
- 229940015043 Glyoxal Drugs 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L Iron(II) sulfate Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- YPHQUSNPXDGUHL-UHFFFAOYSA-N N-methylprop-2-enamide Chemical compound CNC(=O)C=C YPHQUSNPXDGUHL-UHFFFAOYSA-N 0.000 description 1
- KIEOKOFEPABQKJ-UHFFFAOYSA-N Sodium dichromate Chemical compound [Na+].[Na+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KIEOKOFEPABQKJ-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 241000626572 Xanthomonas oryzae pv. oryzicola Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229940009827 aluminum acetate Drugs 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- RPJAQOVNRDOGAY-UHFFFAOYSA-L copper(1+);sulfite Chemical compound [Cu+].[Cu+].[O-]S([O-])=O RPJAQOVNRDOGAY-UHFFFAOYSA-L 0.000 description 1
- FMWMEQINULDRBI-UHFFFAOYSA-L copper;sulfite Chemical compound [Cu+2].[O-]S([O-])=O FMWMEQINULDRBI-UHFFFAOYSA-L 0.000 description 1
- PBTUTICKCLVZAB-ZJVSAGCXSA-H copper;tetrasodium;7-[[4-(2-hydroxyethylamino)-6-[[(6E)-6-[(2-oxido-5-sulfonatophenyl)hydrazinylidene]-5-oxo-7-sulfonatonaphthalen-2-yl]amino]-1,3,5-triazin-2-yl]amino]-3-[(4-methoxy-2-sulfonatophenyl)diazenyl]-4-oxidonaphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].[Cu+2].[O-]S(=O)(=O)C1=CC(OC)=CC=C1N=NC(C(=CC1=C2)S([O-])(=O)=O)=C([O-])C1=CC=C2NC1=NC(NCCO)=NC(NC=2C=C3C=C(C(=N/NC=4C(=CC=C(C=4)S([O-])(=O)=O)[O-])/C(=O)C3=CC=2)S([O-])(=O)=O)=N1 PBTUTICKCLVZAB-ZJVSAGCXSA-H 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- VMQMZMRVKUZKQL-UHFFFAOYSA-N cu+ Chemical group [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 1
- WCOATMADISNSBV-UHFFFAOYSA-K diacetyloxyalumanyl acetate Chemical compound [Al+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WCOATMADISNSBV-UHFFFAOYSA-K 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- QJQZEJFUIOWFMS-UHFFFAOYSA-N formaldehyde;sulfanediol Chemical class O=C.OSO QJQZEJFUIOWFMS-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 235000014571 nuts Nutrition 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000000149 penetrating Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002717 polyvinylpyridine Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- ARQTVSWBVIWYSF-UHFFFAOYSA-N prop-2-enamide;prop-2-enenitrile Chemical compound C=CC#N.NC(=O)C=C ARQTVSWBVIWYSF-UHFFFAOYSA-N 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000008149 soap solution Substances 0.000 description 1
- FDXRTOSOKYPFJT-UHFFFAOYSA-M sodium;3,9-diethyltridecane-6-sulfonate Chemical compound [Na+].CCCCC(CC)CCC(S([O-])(=O)=O)CCC(CC)CC FDXRTOSOKYPFJT-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N tin hydride Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 210000001519 tissues Anatomy 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- WQZGKKKJIJFFOK-VFUOTHLCSA-N β-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/70—Material containing nitrile groups
- D06P3/704—Material containing nitrile groups using metallisable or mordant dyes or dyeing by cupro-ionic method
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE504492A true BE504492A (de) |
Family
ID=145332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE504492D BE504492A (de) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE504492A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796318A (en) * | 1953-07-29 | 1957-06-18 | Decring Milliken Res Corp | Method of dyeing acrylic fibers using a cupric salt-phenylphenol reaction product |
-
0
- BE BE504492D patent/BE504492A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2796318A (en) * | 1953-07-29 | 1957-06-18 | Decring Milliken Res Corp | Method of dyeing acrylic fibers using a cupric salt-phenylphenol reaction product |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5509941A (en) | Mordant composition for natural dye processes | |
BE1006004A4 (fr) | Composition de colorants rouges reactifs pour fibres. | |
BE504492A (de) | ||
FR2552791A1 (fr) | Procede de teinture de substrats textiles comprenant de la laine | |
BE434596A (de) | ||
BE563199A (de) | ||
US2722488A (en) | Process of coloring glass fabrics with a resinous coating dyed with a vat dye | |
CH382335A (fr) | Procédé de préparation de filaments textiles teints en polymère vinylique | |
BE562594A (de) | ||
BE528548A (de) | ||
BE556776A (de) | ||
BE423587A (de) | ||
BE506739A (de) | ||
BE516521A (de) | ||
BE398021A (de) | ||
BE546684A (de) | ||
BE670959A (de) | ||
BE555070A (de) | ||
BE732232A (de) | ||
BE475357A (de) | ||
BE393664A (de) | ||
CH374962A (fr) | Procédé de conditionnement de fibres textiles, pour en augmenter l'affinité envers les colorants | |
BE415321A (de) | ||
BE439403A (de) | ||
BE444267A (de) |